html {
  box-sizing: border-box;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  overflow-y: hidden;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
  font-size: 12px;
  color: #495060;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*,
*:after,
*:before {
  box-sizing: inherit;
}

article, aside, blockquote, body, button, dd, details, div, dl, dt, fieldset, figcaption, figure, 
footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, hr, input, legend, li, menu, nav, ol, p, 
section, td, textarea, th, ul {
  margin: 0;
  padding: 0;
}

a {
  color: #2d8cf0;
  background: 0 0;
  text-decoration: none;
  outline: 0;
  cursor: pointer;
  transition: color .2s ease;
}